diff --git a/mace/core/net.cc b/mace/core/net.cc
index faa4e1d3728ec8783f554f7b50f65111d2e462ad..f38c611662bcd175b1989fddb8dceaa38fa05d74 100644
--- a/mace/core/net.cc
+++ b/mace/core/net.cc
@@ -29,7 +29,8 @@ NetBase::NetBase(const std::shared_ptr<const OperatorRegistryBase> op_registry,
                  const std::shared_ptr<const NetDef> net_def,
                  Workspace *ws,
                  Device *device)
-    : name_(net_def->name()), op_registry_(op_registry) {
+    : op_registry_(op_registry) {
+  MACE_UNUSED(net_def);
   MACE_UNUSED(ws);
   MACE_UNUSED(device);
 }
@@ -42,7 +43,7 @@ SerialNet::SerialNet(
     const NetMode mode)
     : NetBase(op_registry, net_def, ws, device), device_(device),
       op_kernel_context_(new OpKernelContext(ws, device)) {
-  MACE_LATENCY_LOGGER(1, "Constructing SerialNet ", net_def->name());
+  MACE_LATENCY_LOGGER(1, "Constructing SerialNet");
   DeviceType device_type = device->device_type();
   for (int idx = 0; idx < net_def->op_size(); ++idx) {
     const auto &operator_def = net_def->op(idx);
diff --git a/mace/core/net.h b/mace/core/net.h
index a63ded668e582e46d0d8a60b492478797a514cd5..7f8094fc3afee310526dc5dc6a7db69a548ceb7e 100644
--- a/mace/core/net.h
+++ b/mace/core/net.h
@@ -37,10 +37,7 @@ class NetBase {
 
   virtual MaceStatus Run(RunMetadata *run_metadata = nullptr) = 0;
 
-  const std::string &Name() const { return name_; }
-
  protected:
-  std::string name_;
   const std::shared_ptr<const OperatorRegistryBase> op_registry_;
 
   MACE_DISABLE_COPY_AND_ASSIGN(NetBase);
diff --git a/mace/proto/mace.proto b/mace/proto/mace.proto
index 0bf4c7da2c8b4d77dd042bd2c0c7a30cf183a942..11f2a88dac9247d913fbcd574b61ebb3ac46305d 100644
--- a/mace/proto/mace.proto
+++ b/mace/proto/mace.proto
@@ -116,11 +116,9 @@ message OutputInfo {
 }
 
 message NetDef {
-  optional string name = 1;
-  repeated OperatorDef op = 2;
-  optional string version = 3;
-  repeated Argument arg = 4;
-  repeated ConstTensor tensors = 5;
+  repeated OperatorDef op = 1;
+  repeated Argument arg = 2;
+  repeated ConstTensor tensors = 3;
 
   // for mem optimization
   optional MemoryArena mem_arena = 10;
diff --git a/mace/python/tools/model.jinja2 b/mace/python/tools/model.jinja2
index 9e8c521b52082b4195117a4c42eb9000d1eb0140..3f4ba1c4f5d907352a0cee9bca719fa29be08768 100644
--- a/mace/python/tools/model.jinja2
+++ b/mace/python/tools/model.jinja2
@@ -146,8 +146,6 @@ const std::shared_ptr<NetDef> CreateNet() {
   MACE_LATENCY_LOGGER(1, "Create net {{ net.name }}");
 
   std::shared_ptr<NetDef> net_def(new NetDef());
-  net_def->set_name("{{ net.name}}");
-  net_def->set_version("{{ net.version }}");
 
   CreateOperators(net_def.get());
   CreateTensors(net_def.get());